Benchmark: Clone deep vs Spread vs Stringify

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var MyObject = {
  description: 'Creates a deep copy of source, which should be an object or an array.',
  myNumber: 123456789,
  myBoolean: true,
  jayson: {
    stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
    parse: 'JSON.parse() method parses a JSON string...'
  }
};

var myCopy = null;

Tests:

Lodash
myCopy = _.cloneDeep(MyObject);
Spread
myCopy = { ...MyObject }
Stringify
myCopy = JSON.parse(JSON.stringify(MyObject))

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash
Spread
Stringify

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.2 Safari/605.1.15

Browser/OS: Safari 13 on Mac OS X 10.14.6

View result in a separate tab

Test name	Executions per second
Lodash	473127.2 Ops/sec
Spread	834412.8 Ops/sec
Stringify	304034.8 Ops/sec

Clone deep vs Spread vs Stringify (version: 0)

Comparing performance of: Lodash vs Spread vs Stringify

Created: 4 years ago by: Guest

Jump to the latest result

Lodash

Spread

Stringify

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A